7453493157 has 48 divisors (see below), whose sum is σ = 11265972480. Its totient is φ = 4376718720.

The previous prime is 7453493143. The next prime is 7453493207. The reversal of 7453493157 is 7513943547.

It is a happy number.

It is not a de Polignac number, because 7453493157 - 2¹⁶ = 7453427621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7453495157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3611908 + ... + 3613970.

It is an arithmetic number, because the mean of its divisors is an integer number (234707760).

Almost surely, 2^7453493157 is an apocalyptic number.

It is an amenable number.

7453493157 is a deficient number, since it is larger than the sum of its proper divisors (3812479323).

7453493157 is a wasteful number, since it uses less digits than its factorization.

7453493157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394 (or 2383 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 48.

The square root of 7453493157 is about 86333.6154519200. The cubic root of 7453493157 is about 1953.3794702268.

The spelling of 7453493157 in words is "seven billion, four hundred fifty-three million, four hundred ninety-three thousand, one hundred fifty-seven".